html,body{
  width: 100%;
  margin: 0;
  padding: 0;
  font-size: 10px;
  box-sizing: border-box;
  background-color: aqua;
}
ul,li{
  list-style: none;
  padding: 0;
  margin: 0;
}
a{
  text-decoration: none;
  color: #333;
}
